COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES GAF N22 and N24 Series Aeroplanes AD/GAF-N22/22 Fuselage - Wing Centre Section Spar Support Bracket Attachment - Inspection 8/78 Applicability: All models N22, N22B, N24 and N24A delivered from factory prior to 4 July 1978. Document: GAF Alert SB ANMD-16-1 (ANMD-53-2) and Revision 1. Compliance: Unless already accomplished, within 10 hours time in service after 12 July 1978.